1. Regulatory gene mutations affecting arginine biosynthesis in Escherichia coli

   • R. J. Kadner
   • W. K. Maas

   OriginalPaper Pages: 1 - 14

2. Chemical and genetic analysis of 16S ribosomal RNA in Escherichia coli

   • Akira Muto
   • Renkichi Takata
   • Syozo Osawa

   OriginalPaper Pages: 15 - 21

3. Regulation of leftward transcription in the J-b2-att region of coliphage lambda

   • H. J. J. Nijkamp
   • K. Bøvre
   • W. Szybalski

   OriginalPaper Pages: 22 - 34

4. Genetic evidences for a polycistronic unit of transcription in the complex locus “14” in Podospora anserina

   • Marguerite Picard

   OriginalPaper Pages: 35 - 50

5. The genetic effects of liquid holding recovery in ultra violet light sensitive mutants of yeast

   • James M. Parry

   OriginalPaper Pages: 51 - 60

6. Alcohol dehydrogenase isozymes of Triticum: Dissociation and recombination of subunits

   • Gary E. Hart

   OriginalPaper Pages: 61 - 65

7. The nature of initiation sites on DNA for the core RNA polymerase

   • A. Ishihama
   • S. Murakami
   • T. Kameyama

   OriginalPaper Pages: 66 - 76

8. A regulatory mutant affecting the synthesis of enzymes involved in the catabolism of nucleosides in Escherichia coli

   • S. I. Ahmad
   • R. H. Pritchard

   OriginalPaper Pages: 77 - 83

9. Fluorouracil and the isolation of mutants lacking uridine phosphorylase in Escherichia coli: Location of the gene

   • R. H. Pritchard
   • S. I. Ahmad

   OriginalPaper Pages: 84 - 88

10. Induction of intragenic mitotic recombination in yeast by hydroxylamine and its mutagenic specificity

    • Alexandra Putrament
    • Hanna Baranowska

    OriginalPaper Pages: 89 - 96